[testsuite, i386] Fix gcc.target/i386/minmax-4.c etc. on 32-bit Solaris/x86

[Jeff Law]

On 8/22/19 9:18 AM, Rainer Orth wrote:
> The new gcc.target/i386/minmax-4.c etc. testcases currently FAIL on
> 32-bit Solaris/x86:
> 
> FAIL: gcc.target/i386/minmax-4.c scan-assembler-times pmaxsd 1
> FAIL: gcc.target/i386/minmax-4.c scan-assembler-times pmaxud 1
> FAIL: gcc.target/i386/minmax-4.c scan-assembler-times pminsd 1
> FAIL: gcc.target/i386/minmax-4.c scan-assembler-times pminud 1
> FAIL: gcc.target/i386/minmax-5.c scan-assembler-times vpmaxsd 1
> FAIL: gcc.target/i386/minmax-5.c scan-assembler-times vpmaxud 1
> FAIL: gcc.target/i386/minmax-5.c scan-assembler-times vpminsd 1
> FAIL: gcc.target/i386/minmax-5.c scan-assembler-times vpminud 1
> FAIL: gcc.target/i386/minmax-6.c scan-assembler pmaxsd
> FAIL: gcc.target/i386/minmax-7.c scan-assembler pminsd
> FAIL: gcc.target/i386/pr91154.c scan-assembler-not cmov
> FAIL: gcc.target/i386/pr91154.c scan-assembler-times paddd 2
> FAIL: gcc.target/i386/pr91154.c scan-assembler-times pmaxsd 2
> 
> I'd mentioned this in PRs target/91154 and target/91498 where Uros
> pointed out that 32-bit Solaris/x86 only guarantees 4-byte stack
> alignment, thus STV is disabled.
> 
> In line with several other STV tests, adding -mno-stackrealign to the
> options fixes the failures.
> 
> Tested with the appropriate runtest invocation on i386-pc-solaris2.11
> and x86_64-pc-linux-gnu.
> 
> Ok for mainline?
OK.
Jeff