diff options
| author | amodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-12-01 05:47:51 +0000 |
|---|---|---|
| committer | amodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-12-01 05:47:51 +0000 |
| commit | 7e4c137d85caf68e3c7d7da73989baae9caab46b (patch) | |
| tree | cdfc477d8ebb1587643e2f19f4bfc6ffb3ddc44b /gcc | |
| parent | e717f61714761f1e4ce72999acde9b3e07c7679a (diff) | |
| download | gcc-7e4c137d85caf68e3c7d7da73989baae9caab46b.tar.gz | |
PR target/12817
* config/rs6000/rs6000.c (rs6000_emit_prologue): Use r0 for vrsave.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91553 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 6 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index dea0491e162..a703ac98edf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-12-01 Alan Modra <amodra@bigpond.net.au> + + PR target/12817 + * config/rs6000/rs6000.c (rs6000_emit_prologue): Use r0 for vrsave. + 2004-12-01 Joseph S. Myers <joseph@codesourcery.com> * doc/standards.texi: Update for C99 TC2. diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 285996838c1..d9b363a864b 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -14030,8 +14030,10 @@ rs6000_emit_prologue (void) rtx reg, mem, vrsave; int offset; - /* Get VRSAVE onto a GPR. */ - reg = gen_rtx_REG (SImode, 12); + /* Get VRSAVE onto a GPR. Note that ABI_V4 might be using r12 + as frame_reg_rtx and r11 as the static chain pointer for + nested functions. */ + reg = gen_rtx_REG (SImode, 0); vrsave = gen_rtx_REG (SImode, VRSAVE_REGNO); if (TARGET_MACHO) emit_insn (gen_get_vrsave_internal (reg)); |