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| author | James Van Artsdalen <jrv@gnu.org> | 1992-09-17 05:20:26 +0000 |
|---|---|---|
| committer | James Van Artsdalen <jrv@gnu.org> | 1992-09-17 05:20:26 +0000 |
| commit | 442426450eaaabd3136578270ca3443004510f28 (patch) | |
| tree | bcdb92a3bf2493dca0b266a3323cca6ee2d3d163 /gcc | |
| parent | 3292923dd1d498fbd3cf472164972636f8925220 (diff) | |
| download | gcc-442426450eaaabd3136578270ca3443004510f28.zip gcc-442426450eaaabd3136578270ca3443004510f28.tar.gz gcc-442426450eaaabd3136578270ca3443004510f28.tar.bz2 | |
(addsi3,ashlsi3): Handle the case where the stack pointer appears as an
index reg.
From-SVN: r2140
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/i386/i386.md | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 6ba86cd..2d2f28e 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -1392,8 +1392,20 @@ if (! TARGET_486 || ! REG_P (operands[2])) { CC_STATUS_INIT; - operands[1] = SET_SRC (PATTERN (insn)); - return AS2 (lea%L0,%a1,%0); + + if (operands[2] == stack_pointer_rtx) + { + rtx temp; + + temp = operands[1]; + operands[1] = operands[2]; + operands[2] = temp; + } + if (operands[2] != stack_pointer_rtx) + { + operands[1] = SET_SRC (PATTERN (insn)); + return AS2 (lea%L0,%a1,%0); + } } output_asm_insn (AS2 (mov%L0,%1,%0), operands); @@ -2391,6 +2403,12 @@ else { CC_STATUS_INIT; + + if (operands[1] == stack_pointer_rtx) + { + output_asm_insn (AS2 (mov%L0,%1,%0), operands); + operands[1] = operands[0]; + } operands[1] = gen_rtx (MULT, SImode, operands[1], GEN_INT (1 << INTVAL (operands[2]))); return AS2 (lea%L0,%a1,%0); |