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| author | Alan Modra <amodra@gmail.com> | 2011-05-06 23:51:16 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gcc.gnu.org> | 2011-05-06 23:51:16 +0930 |
| commit | 1fc1b66d4a7668e4a9640edac9c6d6bd5105284d (patch) | |
| tree | 31f2438f22ec42f0638f367c2653e6ffcb9d5cc6 /gcc | |
| parent | e194de64ac17fe46c2b939bf16b2d213dbe79ebc (diff) | |
| download | gcc-1fc1b66d4a7668e4a9640edac9c6d6bd5105284d.zip gcc-1fc1b66d4a7668e4a9640edac9c6d6bd5105284d.tar.gz gcc-1fc1b66d4a7668e4a9640edac9c6d6bd5105284d.tar.bz2 | |
re PR target/48900 (unnecessary duplicate __tls_get_addr calls)
PR target/48900
* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Use
const0_rtx as the arg to the dummy __tls_get_addr libcall.
From-SVN: r173488
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 10 |
2 files changed, 12 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5a4c1cd..acd049f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2011-05-06 Alan Modra <amodra@gmail.com> + + PR target/48900 + * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Use + const0_rtx as the arg to the dummy __tls_get_addr libcall. + 2011-05-06 Uros Bizjak <ubizjak@gmail.com> * config/i386/i386.md (*movdf_internal_nointeger): Apply "*" diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index b756ba3..d4851ad 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -6407,10 +6407,11 @@ rs6000_legitimize_tls_address (rtx addr, enum tls_model model) if (model == TLS_MODEL_GLOBAL_DYNAMIC) { - r3 = gen_rtx_REG (Pmode, 3); tga = rs6000_tls_get_addr (); - emit_library_call_value (tga, dest, LCT_CONST, Pmode, 1, r3, Pmode); + emit_library_call_value (tga, dest, LCT_CONST, Pmode, + 1, const0_rtx, Pmode); + r3 = gen_rtx_REG (Pmode, 3); if (DEFAULT_ABI == ABI_AIX && TARGET_64BIT) insn = gen_tls_gd_aix64 (r3, got, addr, tga, const0_rtx); else if (DEFAULT_ABI == ABI_AIX && !TARGET_64BIT) @@ -6427,11 +6428,12 @@ rs6000_legitimize_tls_address (rtx addr, enum tls_model model) } else if (model == TLS_MODEL_LOCAL_DYNAMIC) { - r3 = gen_rtx_REG (Pmode, 3); tga = rs6000_tls_get_addr (); tmp1 = gen_reg_rtx (Pmode); - emit_library_call_value (tga, tmp1, LCT_CONST, Pmode, 1, r3, Pmode); + emit_library_call_value (tga, tmp1, LCT_CONST, Pmode, + 1, const0_rtx, Pmode); + r3 = gen_rtx_REG (Pmode, 3); if (DEFAULT_ABI == ABI_AIX && TARGET_64BIT) insn = gen_tls_ld_aix64 (r3, got, tga, const0_rtx); else if (DEFAULT_ABI == ABI_AIX && !TARGET_64BIT) |