diff options
Diffstat (limited to 'toolchain/gcc/4.2.2-avr32-2.1.5/905-avr32-optimize-movsf2-use-movh-to-move-immediates-into-register.patch')
| -rw-r--r-- | toolchain/gcc/4.2.2-avr32-2.1.5/905-avr32-optimize-movsf2-use-movh-to-move-immediates-into-register.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/toolchain/gcc/4.2.2-avr32-2.1.5/905-avr32-optimize-movsf2-use-movh-to-move-immediates-into-register.patch b/toolchain/gcc/4.2.2-avr32-2.1.5/905-avr32-optimize-movsf2-use-movh-to-move-immediates-into-register.patch new file mode 100644 index 000000000..08d972df2 --- /dev/null +++ b/toolchain/gcc/4.2.2-avr32-2.1.5/905-avr32-optimize-movsf2-use-movh-to-move-immediates-into-register.patch @@ -0,0 +1,31 @@ +Index: gcc-4.2.2/gcc/config/avr32/avr32.md +=================================================================== +--- gcc-4.2.2.orig/gcc/config/avr32/avr32.md 2008-09-19 14:23:34.000000000 +0200 ++++ gcc-4.2.2/gcc/config/avr32/avr32.md 2008-09-19 14:30:18.000000000 +0200 +@@ -803,14 +803,22 @@ + (define_insn "*movsf_internal" + [(set (match_operand:SF 0 "nonimmediate_operand" "=r,r,r,r,m") + (match_operand:SF 1 "general_operand" "r, G,F,m,r"))] +- "TARGET_SOFT_FLOAT +- && (register_operand (operands[0], SFmode) +- || register_operand (operands[1], SFmode))" ++ "(register_operand (operands[0], SFmode) ++ || register_operand (operands[1], SFmode))" + { + switch (which_alternative) { + case 0: + case 1: return "mov\t%0, %1"; +- case 2: return "mov\t%0, lo(%1)\;orh\t%0, hi(%1)"; ++ case 2: ++ { ++ HOST_WIDE_INT target_float[2]; ++ real_to_target (target_float, CONST_DOUBLE_REAL_VALUE (operands[1]), SFmode); ++ if ( TARGET_V2_INSNS ++ && avr32_hi16_immediate_operand (GEN_INT (target_float[0]), VOIDmode) ) ++ return "movh\t%0, hi(%1)"; ++ else ++ return "mov\t%0, lo(%1)\;orh\t%0, hi(%1)"; ++ } + case 3: + if ( (REG_P(XEXP(operands[1], 0)) + && REGNO(XEXP(operands[1], 0)) == SP_REGNUM) |