mirror of
https://github.com/RPCS3/llvm.git
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Experiment with changing the default 32-bit linux stack alignment to
16 bytes for PR8969. Update all testcases accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123367 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
parent
c2a94da313
commit
04f5079ca1
@ -342,9 +342,9 @@ X86Subtarget::X86Subtarget(const std::string &TT, const std::string &FS,
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assert((!Is64Bit || HasX86_64) &&
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"64-bit code requested on a subtarget that doesn't support it!");
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// Stack alignment is 16 bytes on Darwin (both 32 and 64 bit) and for all 64
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// bit targets.
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if (isTargetDarwin() || Is64Bit)
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// Stack alignment is 16 bytes on Darwin and Linux (both 32 and 64 bit) and
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// for all 64-bit targets.
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if (isTargetDarwin() || isTargetLinux() || Is64Bit)
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stackAlignment = 16;
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if (StackAlignment)
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@ -1,6 +1,7 @@
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; RUN: llc < %s -mtriple=i686-pc-linux -realign-stack=1 -mattr=sse2 | grep movaps | count 75
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; RUN: llc < %s -mtriple=i686-pc-linux -realign-stack=0 -mattr=sse2 | grep movaps | count 1
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; RUN: llc < %s -mtriple=i686-pc-linux -realign-stack=0 -mattr=sse2 | grep movaps | count 75
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; PR2539
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; PR8969 - make 32-bit linux have a 16-byte aligned stack
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external global <4 x float>, align 1 ; <<4 x float>*>:0 [#uses=2]
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external global <4 x float>, align 1 ; <<4 x float>*>:1 [#uses=1]
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@ -1,8 +1,8 @@
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; Linux doesn't support stack realignment for functions with allocas (PR2888).
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; Until it does, we shouldn't use movaps to access the stack. On targets with
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; sufficiently aligned stack (e.g. darwin) we should.
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; RUN: llc < %s -mtriple=i386-pc-linux-gnu -mcpu=yonah | not grep movaps
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; PR8969 - make 32-bit linux have a 16-byte aligned stack
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; RUN: llc < %s -mtriple=i386-pc-linux-gnu -mcpu=yonah | grep movaps | count 2
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; RUN: llc < %s -mtriple=i686-apple-darwin9 -mcpu=yonah | grep movaps | count 2
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@ -1,10 +1,12 @@
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; RUN: llc -mtriple=i386-pc-linux-gnu < %s
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; RUN: false
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; XRUN: llc -mtriple=i386-pc-linux-gnu < %s
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; PR4668
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; XFAIL: *
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; FIXME: If the coalescer happens to coalesce %level.1 with the copy to EAX
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; (for ret) then this will fail to compile. The fundamental problem is
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; once the coalescer fixes a virtual register to physical register we can't
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; evict it.
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; evict it. This started passing again due to the changes for PR8969
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; so I've disabled it with a bigger stick.
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define i32 @x(i32 %qscale) nounwind {
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entry:
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@ -8375,7 +8375,7 @@ entry:
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; LINUX-64-STATIC: ret
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; LINUX-32-STATIC: lcallee:
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; LINUX-32-STATIC: pushl
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; LINUX-32-STATIC: subl
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; LINUX-32-STATIC-NEXT: calll x
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; LINUX-32-STATIC-NEXT: calll x
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; LINUX-32-STATIC-NEXT: calll x
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@ -8383,11 +8383,11 @@ entry:
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; LINUX-32-STATIC-NEXT: calll x
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; LINUX-32-STATIC-NEXT: calll x
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; LINUX-32-STATIC-NEXT: calll x
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; LINUX-32-STATIC-NEXT: popl
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; LINUX-32-STATIC-NEXT: addl
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; LINUX-32-STATIC-NEXT: ret
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; LINUX-32-PIC: lcallee:
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; LINUX-32-PIC: pushl
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; LINUX-32-PIC: subl
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; LINUX-32-PIC-NEXT: calll x
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; LINUX-32-PIC-NEXT: calll x
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; LINUX-32-PIC-NEXT: calll x
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@ -8395,7 +8395,8 @@ entry:
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; LINUX-32-PIC-NEXT: calll x
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; LINUX-32-PIC-NEXT: calll x
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; LINUX-32-PIC-NEXT: calll x
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; LINUX-32-PIC-NEXT: popl
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; LINUX-32-PIC-NEXT: addl
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; LINUX-32-PIC-NEXT: ret
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; LINUX-64-PIC: lcallee:
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@ -8506,7 +8507,7 @@ entry:
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; LINUX-64-STATIC: ret
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; LINUX-32-STATIC: dcallee:
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; LINUX-32-STATIC: pushl
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; LINUX-32-STATIC: subl
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; LINUX-32-STATIC-NEXT: calll y
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; LINUX-32-STATIC-NEXT: calll y
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; LINUX-32-STATIC-NEXT: calll y
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@ -8514,11 +8515,11 @@ entry:
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; LINUX-32-STATIC-NEXT: calll y
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; LINUX-32-STATIC-NEXT: calll y
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; LINUX-32-STATIC-NEXT: calll y
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; LINUX-32-STATIC-NEXT: popl
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; LINUX-32-STATIC-NEXT: addl
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; LINUX-32-STATIC-NEXT: ret
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; LINUX-32-PIC: dcallee:
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; LINUX-32-PIC: pushl
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; LINUX-32-PIC: subl
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; LINUX-32-PIC-NEXT: calll y
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; LINUX-32-PIC-NEXT: calll y
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; LINUX-32-PIC-NEXT: calll y
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@ -8526,7 +8527,8 @@ entry:
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; LINUX-32-PIC-NEXT: calll y
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; LINUX-32-PIC-NEXT: calll y
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; LINUX-32-PIC-NEXT: calll y
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; LINUX-32-PIC-NEXT: popl
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; LINUX-32-PIC-NEXT: addl
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; LINUX-32-PIC-NEXT: ret
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; LINUX-64-PIC: dcallee:
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@ -8770,17 +8772,18 @@ entry:
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; LINUX-64-STATIC: ret
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; LINUX-32-STATIC: caller:
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; LINUX-32-STATIC: pushl
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; LINUX-32-STATIC: subl
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; LINUX-32-STATIC-NEXT: calll callee
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; LINUX-32-STATIC-NEXT: calll callee
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; LINUX-32-STATIC-NEXT: popl
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; LINUX-32-STATIC-NEXT: addl
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; LINUX-32-STATIC-NEXT: ret
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; LINUX-32-PIC: caller:
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; LINUX-32-PIC: pushl
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; LINUX-32-PIC: subl
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; LINUX-32-PIC-NEXT: calll callee
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; LINUX-32-PIC-NEXT: calll callee
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; LINUX-32-PIC-NEXT: popl
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; LINUX-32-PIC-NEXT: addl
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; LINUX-32-PIC-NEXT: ret
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; LINUX-64-PIC: caller:
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@ -8844,17 +8847,18 @@ entry:
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; LINUX-64-STATIC: ret
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; LINUX-32-STATIC: dcaller:
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; LINUX-32-STATIC: pushl
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; LINUX-32-STATIC: subl
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; LINUX-32-STATIC-NEXT: calll dcallee
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; LINUX-32-STATIC-NEXT: calll dcallee
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; LINUX-32-STATIC-NEXT: popl
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; LINUX-32-STATIC-NEXT: addl
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; LINUX-32-STATIC-NEXT: ret
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; LINUX-32-PIC: dcaller:
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; LINUX-32-PIC: pushl
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; LINUX-32-PIC: subl
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; LINUX-32-PIC-NEXT: calll dcallee
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; LINUX-32-PIC-NEXT: calll dcallee
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; LINUX-32-PIC-NEXT: popl
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; LINUX-32-PIC-NEXT: addl
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; LINUX-32-PIC-NEXT: ret
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; LINUX-64-PIC: dcaller:
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@ -8918,17 +8922,18 @@ entry:
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; LINUX-64-STATIC: ret
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; LINUX-32-STATIC: lcaller:
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; LINUX-32-STATIC: pushl
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; LINUX-32-STATIC: subl
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; LINUX-32-STATIC-NEXT: calll lcallee
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; LINUX-32-STATIC-NEXT: calll lcallee
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; LINUX-32-STATIC-NEXT: popl
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; LINUX-32-STATIC-NEXT: addl
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; LINUX-32-STATIC-NEXT: ret
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; LINUX-32-PIC: lcaller:
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; LINUX-32-PIC: pushl
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; LINUX-32-PIC: subl
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; LINUX-32-PIC-NEXT: calll lcallee
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; LINUX-32-PIC-NEXT: calll lcallee
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; LINUX-32-PIC-NEXT: popl
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; LINUX-32-PIC-NEXT: addl
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; LINUX-32-PIC-NEXT: ret
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; LINUX-64-PIC: lcaller:
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@ -8990,15 +8995,16 @@ entry:
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; LINUX-64-STATIC: ret
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; LINUX-32-STATIC: tailcaller:
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; LINUX-32-STATIC: pushl
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; LINUX-32-STATIC: subl
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; LINUX-32-STATIC-NEXT: calll callee
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; LINUX-32-STATIC-NEXT: popl
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; LINUX-32-STATIC-NEXT: addl
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; LINUX-32-STATIC-NEXT: ret
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; LINUX-32-PIC: tailcaller:
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; LINUX-32-PIC: pushl
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; LINUX-32-PIC: subl
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; LINUX-32-PIC-NEXT: calll callee
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; LINUX-32-PIC-NEXT: popl
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; LINUX-32-PIC-NEXT: addl
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; LINUX-32-PIC-NEXT: ret
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; LINUX-64-PIC: tailcaller:
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@ -9053,15 +9059,16 @@ entry:
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; LINUX-64-STATIC: ret
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; LINUX-32-STATIC: dtailcaller:
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; LINUX-32-STATIC: pushl
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; LINUX-32-STATIC: subl
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; LINUX-32-STATIC-NEXT: calll dcallee
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; LINUX-32-STATIC-NEXT: popl
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; LINUX-32-STATIC-NEXT: addl
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; LINUX-32-STATIC-NEXT: ret
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; LINUX-32-PIC: dtailcaller:
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; LINUX-32-PIC: pushl
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; LINUX-32-PIC: subl
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; LINUX-32-PIC-NEXT: calll dcallee
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; LINUX-32-PIC-NEXT: popl
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; LINUX-32-PIC-NEXT: addl
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; LINUX-32-PIC-NEXT: ret
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; LINUX-64-PIC: dtailcaller:
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@ -9116,15 +9123,16 @@ entry:
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; LINUX-64-STATIC: ret
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; LINUX-32-STATIC: ltailcaller:
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; LINUX-32-STATIC: pushl
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; LINUX-32-STATIC: subl
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; LINUX-32-STATIC-NEXT: calll lcallee
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; LINUX-32-STATIC-NEXT: popl
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; LINUX-32-STATIC-NEXT: addl
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; LINUX-32-STATIC-NEXT: ret
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; LINUX-32-PIC: ltailcaller:
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; LINUX-32-PIC: pushl
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; LINUX-32-PIC: subl
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; LINUX-32-PIC-NEXT: calll lcallee
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; LINUX-32-PIC-NEXT: popl
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; LINUX-32-PIC-NEXT: addl
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; LINUX-32-PIC-NEXT: ret
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; LINUX-64-PIC: ltailcaller:
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@ -9183,17 +9191,18 @@ entry:
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; LINUX-64-STATIC: ret
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; LINUX-32-STATIC: icaller:
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; LINUX-32-STATIC: pushl
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; LINUX-32-STATIC: subl
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; LINUX-32-STATIC-NEXT: calll *ifunc
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; LINUX-32-STATIC-NEXT: calll *ifunc
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; LINUX-32-STATIC-NEXT: popl
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; LINUX-32-STATIC-NEXT: addl
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; LINUX-32-STATIC-NEXT: ret
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; LINUX-32-PIC: icaller:
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; LINUX-32-PIC: pushl
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; LINUX-32-PIC: subl
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; LINUX-32-PIC-NEXT: calll *ifunc
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; LINUX-32-PIC-NEXT: calll *ifunc
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; LINUX-32-PIC-NEXT: popl
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; LINUX-32-PIC-NEXT: addl
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; LINUX-32-PIC-NEXT: ret
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; LINUX-64-PIC: icaller:
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@ -9272,17 +9281,18 @@ entry:
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; LINUX-64-STATIC: ret
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; LINUX-32-STATIC: dicaller:
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; LINUX-32-STATIC: pushl
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; LINUX-32-STATIC: subl
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; LINUX-32-STATIC-NEXT: calll *difunc
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; LINUX-32-STATIC-NEXT: calll *difunc
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; LINUX-32-STATIC-NEXT: popl
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; LINUX-32-STATIC-NEXT: addl
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; LINUX-32-STATIC-NEXT: ret
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; LINUX-32-PIC: dicaller:
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; LINUX-32-PIC: pushl
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; LINUX-32-PIC: subl
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; LINUX-32-PIC-NEXT: calll *difunc
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; LINUX-32-PIC-NEXT: calll *difunc
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; LINUX-32-PIC-NEXT: popl
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; LINUX-32-PIC-NEXT: addl
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; LINUX-32-PIC-NEXT: ret
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; LINUX-64-PIC: dicaller:
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@ -9354,17 +9364,18 @@ entry:
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; LINUX-64-STATIC: ret
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; LINUX-32-STATIC: licaller:
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; LINUX-32-STATIC: pushl
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; LINUX-32-STATIC: subl
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; LINUX-32-STATIC-NEXT: calll *lifunc
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; LINUX-32-STATIC-NEXT: calll *lifunc
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; LINUX-32-STATIC-NEXT: popl
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; LINUX-32-STATIC-NEXT: addl
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; LINUX-32-STATIC-NEXT: ret
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; LINUX-32-PIC: licaller:
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; LINUX-32-PIC: pushl
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; LINUX-32-PIC: subl
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; LINUX-32-PIC-NEXT: calll *lifunc
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; LINUX-32-PIC-NEXT: calll *lifunc
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; LINUX-32-PIC-NEXT: popl
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; LINUX-32-PIC-NEXT: addl
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; LINUX-32-PIC-NEXT: ret
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; LINUX-64-PIC: licaller:
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@ -9435,17 +9446,18 @@ entry:
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; LINUX-64-STATIC: ret
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; LINUX-32-STATIC: itailcaller:
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; LINUX-32-STATIC: pushl
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; LINUX-32-STATIC: subl
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; LINUX-32-STATIC-NEXT: calll *ifunc
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; LINUX-32-STATIC-NEXT: calll *ifunc
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; LINUX-32-STATIC-NEXT: popl
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; LINUX-32-STATIC-NEXT: addl
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; LINUX-32-STATIC-NEXT: ret
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; LINUX-32-PIC: itailcaller:
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; LINUX-32-PIC: pushl
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; LINUX-32-PIC: subl
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; LINUX-32-PIC-NEXT: calll *ifunc
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; LINUX-32-PIC-NEXT: calll *ifunc
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; LINUX-32-PIC-NEXT: popl
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; LINUX-32-PIC-NEXT: addl
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; LINUX-32-PIC-NEXT: ret
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; LINUX-64-PIC: itailcaller:
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@ -9521,15 +9533,16 @@ entry:
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; LINUX-64-STATIC: ret
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; LINUX-32-STATIC: ditailcaller:
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; LINUX-32-STATIC: pushl
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; LINUX-32-STATIC: subl
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; LINUX-32-STATIC-NEXT: calll *difunc
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; LINUX-32-STATIC-NEXT: popl
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; LINUX-32-STATIC-NEXT: addl
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; LINUX-32-STATIC-NEXT: ret
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; LINUX-32-PIC: ditailcaller:
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; LINUX-32-PIC: pushl
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; LINUX-32-PIC: subl
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; LINUX-32-PIC-NEXT: calll *difunc
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; LINUX-32-PIC-NEXT: popl
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; LINUX-32-PIC-NEXT: addl
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; LINUX-32-PIC-NEXT: ret
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; LINUX-64-PIC: ditailcaller:
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@ -9588,15 +9601,16 @@ entry:
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; LINUX-64-STATIC: ret
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; LINUX-32-STATIC: litailcaller:
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; LINUX-32-STATIC: pushl
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; LINUX-32-STATIC: subl
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; LINUX-32-STATIC-NEXT: calll *lifunc
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; LINUX-32-STATIC-NEXT: popl
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; LINUX-32-STATIC-NEXT: addl
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; LINUX-32-STATIC-NEXT: ret
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; LINUX-32-PIC: litailcaller:
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; LINUX-32-PIC: pushl
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; LINUX-32-PIC: subl
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; LINUX-32-PIC-NEXT: calll *lifunc
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; LINUX-32-PIC-NEXT: popl
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; LINUX-32-PIC-NEXT: addl
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; LINUX-32-PIC-NEXT: ret
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; LINUX-64-PIC: litailcaller:
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@ -1,5 +1,6 @@
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; RUN: llc < %s -march=x86 -mcpu=yonah -mtriple=i686-apple-darwin8 | grep movaps
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; RUN: llc < %s -march=x86 -mcpu=yonah -mtriple=i686-linux-gnu | grep movups
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; RUN: llc < %s -march=x86 -mcpu=yonah -mtriple=i686-linux-gnu | grep movaps
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; PR8969 - make 32-bit linux have a 16-byte aligned stack
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|
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define <4 x float> @foo(float %a, float %b, float %c, float %d) nounwind {
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entry:
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|
||||
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