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[committed] Disable late-combine in another RISC-V test

Message ID dbae7bde-235b-48dd-92bf-2b547438b6aa@gmail.com
State New
Headers show
Series [committed] Disable late-combine in another RISC-V test | expand

Commit Message

Jeff Law Aug. 25, 2024, 1:26 p.m. UTC 
Another test where the output was slightly twiddled by late-combine in 
which simply disabling late-combine seems to be the best option.

> Running /home/jlaw/test/gcc/gcc/testsuite/gcc.target/riscv/riscv.exp ...
> FAIL: gcc.target/riscv/cm_mv_rv32.c   -Os   check-function-bodies sum


Pushing to the trunk.

Jeff
commit 70edccf88738ec204036e498a4a50c46e5e4f0c0
Author: Jeff Law <jlaw@ventanamicro.com>
Date:   Sun Aug 25 07:24:56 2024 -0600

    Disable late-combine in another RISC-V test
    
    Another test where the output was slightly twiddled by late-combine in which
    simply disabling late-combine seems to be the best option.
    
    > Running /home/jlaw/test/gcc/gcc/testsuite/gcc.target/riscv/riscv.exp ...
    > FAIL: gcc.target/riscv/cm_mv_rv32.c   -Os   check-function-bodies sum
    
    Pushing to the trunk.
    
    gcc/testsuite
            * gcc.target/riscv/cm_mv_rv32.c: Disable late-combine.
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Patch

diff --git a/gcc/testsuite/gcc.target/riscv/cm_mv_rv32.c b/gcc/testsuite/gcc.target/riscv/cm_mv_rv32.c
index 2c1b3f9cabf..e2369fc4d2d 100644
--- a/gcc/testsuite/gcc.target/riscv/cm_mv_rv32.c
+++ b/gcc/testsuite/gcc.target/riscv/cm_mv_rv32.c
@@ -1,5 +1,5 @@ 
 /* { dg-do compile } */
-/* { dg-options " -Os -march=rv32i_zca_zcmp -mabi=ilp32 " } */
+/* { dg-options " -Os -march=rv32i_zca_zcmp -mabi=ilp32 -fno-late-combine-instructions " } */
 /* { dg-skip-if "" { *-*-* } {"-O0" "-O1" "-O2" "-Og" "-O3" "-Oz" "-flto"} } */
 /* { dg-final { check-function-bodies "**" "" } } */