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s390x: [wasm] Adding r3 to GP return register list

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Taking similar approach as ia32 which also has 1 return register
eax (as per ia32's ABI) but uses edx as return register as well.
This will fix some failures on s390x where a function returns 2
values.

R=titzer@chromium.org, bmeurer@chromium.org

BUG=
LOG=N

Review-Url: https://chromiumcodereview.appspot.com/2426233002
Cr-Commit-Position: refs/heads/master@{#40439}
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bjaideep 2016-10-19 06:48:05 -07:00 committed by Commit bot
parent 07094aaf7d
commit 91c99de0a1
1 changed files with 1 additions and 1 deletions
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2
src/compiler/wasm-linkage.cc
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@ -131,7 +131,7 @@ LinkageLocation stackloc(int i, MachineType type) {
// == s390x ==================================================================
// ===========================================================================
#define GP_PARAM_REGISTERS r2, r3, r4, r5, r6
#define GP_RETURN_REGISTERS r2
#define GP_RETURN_REGISTERS r2, r3
#define FP_PARAM_REGISTERS d0, d2, d4, d6
#define FP_RETURN_REGISTERS d0, d2, d4, d6