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Merge branch 'rth/atomic/ppc'

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From-SVN: r181459
This commit is contained in:
Richard Henderson 2011-11-17 14:12:31 -08:00 committed by Richard Henderson
parent f631ae2eb1
commit f6d9912f6b
2 changed files with 10 additions and 4 deletions
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6
gcc/ChangeLog
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@ -14,6 +14,12 @@
* builtins.c (expand_builtin): Remove 4th parameter representing
weak/strong mode when __atomic_compare_exchange becomes a library call.
2011-11-17 Richard Henderson <rth@redhat.com>
* config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap): Get
new pseudo for target after convert_modes.
(rs6000_expand_atomic_exchange, rs6000_expand_atomic_op): Likewise.
2011-11-17 Richard Henderson <rth@redhat.com>
* builtins.c (expand_builtin_mem_thread_fence): Remove.

8
gcc/config/rs6000/rs6000.c
View File

@ -17341,12 +17341,12 @@ rs6000_expand_atomic_compare_and_swap (rtx operands[])
/* Shift and mask OLDVAL into position with the word. */
oldval = convert_modes (SImode, mode, oldval, 1);
oldval = expand_simple_binop (SImode, ASHIFT, oldval, shift,
oldval, 1, OPTAB_LIB_WIDEN);
NULL_RTX, 1, OPTAB_LIB_WIDEN);
/* Shift and mask NEWVAL into position within the word. */
newval = convert_modes (SImode, mode, newval, 1);
newval = expand_simple_binop (SImode, ASHIFT, newval, shift,
newval, 1, OPTAB_LIB_WIDEN);
NULL_RTX, 1, OPTAB_LIB_WIDEN);
/* Prepare to adjust the return value. */
retval = gen_reg_rtx (SImode);
@ -17434,7 +17434,7 @@ rs6000_expand_atomic_exchange (rtx operands[])
/* Shift and mask VAL into position with the word. */
val = convert_modes (SImode, mode, val, 1);
val = expand_simple_binop (SImode, ASHIFT, val, shift,
val, 1, OPTAB_LIB_WIDEN);
NULL_RTX, 1, OPTAB_LIB_WIDEN);
/* Prepare to adjust the return value. */
retval = gen_reg_rtx (SImode);
@ -17487,7 +17487,7 @@ rs6000_expand_atomic_op (enum rtx_code code, rtx mem, rtx val,
/* Shift and mask VAL into position with the word. */
val = convert_modes (SImode, mode, val, 1);
val = expand_simple_binop (SImode, ASHIFT, val, shift,
val, 1, OPTAB_LIB_WIDEN);
NULL_RTX, 1, OPTAB_LIB_WIDEN);
switch (code)
{